# tcp: call sk_data_ready() after listener migration

CVE record · `CVE-2026-46015`

- **Identifiers:** `CVE-2026-46015`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-408](https://cwe.mitre.org/data/definitions/408.html)
- **Tags:** [CWE-408](https://agentprime.io/advisories/tag/cwe-408.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 27 May 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 27 May 2026, 12:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before 7aa7933a5607b1e5b56f322d17265c1d0ea02c51` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before 14e9bb6eba8f59dcc637702e4744ae5e30660d76` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before ab5fdcd535645f6dbe6e9e21d96a08d141e88b4b` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before bebd058ef40c67a81fe6d9ee8beaa4ede90e0704` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before 83bb57635d7cbafde32f865b577ecfd969f02337` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before 12625b4da84caf4d84a04988710a7b9bcf702b18` (git)
  - affected: `54b92e84193749c9968aff2dd46e3b0f42643e18 to before 3864c6ba1e041bc75342353a70fa2a2c6f909923` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.14`
  - unaffected: `before 5.14` (semver)
  - unaffected: `5.15.209 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.175 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.140 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.86 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.27 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.4 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 27 May 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-46015](https://www.cve.org/CVERecord?id=CVE-2026-46015)
- [NVD: CVE-2026-46015](https://nvd.nist.gov/vuln/detail/CVE-2026-46015)

### References from the CNA

- <https://git.kernel.org/stable/c/7aa7933a5607b1e5b56f322d17265c1d0ea02c51>
- <https://git.kernel.org/stable/c/14e9bb6eba8f59dcc637702e4744ae5e30660d76>
- <https://git.kernel.org/stable/c/ab5fdcd535645f6dbe6e9e21d96a08d141e88b4b>
- <https://git.kernel.org/stable/c/bebd058ef40c67a81fe6d9ee8beaa4ede90e0704>
- <https://git.kernel.org/stable/c/83bb57635d7cbafde32f865b577ecfd969f02337>
- <https://git.kernel.org/stable/c/12625b4da84caf4d84a04988710a7b9bcf702b18>
- <https://git.kernel.org/stable/c/3864c6ba1e041bc75342353a70fa2a2c6f909923>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-46015>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-46015/>. Everything for agents: <https://agentprime.io/llms.txt>.